Chlorinated Polyvinyl Chloride CPVC Resin Manufacture

CPVC resin is a polymer material obtained from chlorination modification with polyvinyl chloride (PVC) resin. VIA Chemical CPVC resin can be classified as extrusion grade and injection grade according to the K-value of PVC and chlorine content.

CPVC Resin Product Types

VIA Chemical provides various kinds of CPVC resin with different molecular weights, polymerization degree, and chlorine content, and meets most manufacturing requirements for pipes, fittings, plates, and other structural materials in terms of vacating temperature, corrosion resistance, and flame retardation. We produce customized CPVC resin according to the customers’ requirements.

ITEMS

GRADE AND INDEX

Extrusion Grade J-700

Injection Grade Z-500

Chlorine Content

%

67~69

66~68

30 Mesh Sieving Rate≥

%

99.0

Volatile Content≤

%

0.35

Vicat softening Temperature ≥

℃

115~130

Thermal Decomposition Temperature ≥

℃

120

Tensile Strength≥

MPa

52

Bulk Density >

g/cm3

0.5~0.7

Specific Gravity>

g/cm3

1.45-1.58

K Value

61 <60~63 for Extrusion(RM:K 65)>

55<53~55 for Injection(RM:K 57/60)>

*The above specifications are provided for reference only. Products could be produced per client’s requirements.

Chlorinated Polyvinyl Chloride CPVC Resin Properties

Vicat softening point (VST) is approximately 40 °C higher than that of PVC. CPVC is among the polymers that can be used in high temperature and pressure for extended periods of time.

CPVC is not only resistant to chemical corrosion in room temperature but also has good acid and alkali resistance at even high temperatures, which makes it superior to PVC and other resin and be able to a good replacement for traditional materials in terms of handling corrosive substances.

Tensile strength is 50% higher than that of PVC, and increases by one time than that of PP and ABS resin.

CPVC Resin Features and Applications

CPVC meets the requirements for chemical equipment in terms of mechanical strength and resistant to chemical corrosion, thus can be made into a variety of pipes, fittings, valves, and plates used in chemical industries.

CPVC is heat and corrosion-resistant and resists residual chlorine in water as well; thus, it can be made into pipes and fittings used for hot and warm water supply and drainage system in various industries.

CPVC can be made into High-voltage electrical power cable conduit due to its excellent heat resistance and insulation characteristic.

CPVC is used for thermoplastics to improve its properties, such as heat resistance and flame retardation.

CPVC can be used to produce anti Corrosive painting and adhesives. Also it can be used as heat preservation materials for hot water pipes and steam pipes.

CPVC pipe has only 1/200 thermal conductivity of that of steel pipe and possesses small friction coefficient, which makes it good at thermal insulation and improving oil flow efficiency when gathering and transferring crude oil.

CPVC can be used to fabricate fishing nets, work clothes, industrial filter clothes, non-inflammable parachutes, and submarine cable jackets after fabric snagging.

CPVC Resin Packing and specification

VIA Chemical CPVC product adopts polyethylene bags for internal use and polypropylene bags for external use with a net weight of 25 ± 0.2 kg per bag.

CPVC Resin Storage and transportation

CPVC resin must be stored in a dry and ventilated warehouse with a stack height not exceeding 10 bags. Solarization and damp environments should be avoided and strict precautions should be taken again stress. CPVC is not considered a dangerous cargo.